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Search: id:A135840
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| 1, 2, 1, 2, 1, 1, 3, 2, 1, 1, 3, 2, 2, 1, 1, 4, 3, 2, 2, 1, 1, 4, 3, 3, 2, 2, 1, 1, 5, 4, 3, 3, 2, 2, 1, 1, 5, 4, 4, 3, 3, 2, 2, 1, 1, 6, 5, 4, 4, 3, 3, 2, 2, 1, 1
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = A004652 starting (1, 3, 4, 7, 9, 13, 16, 21,...).
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
2, 1, 1;
3, 2, 1, 1;
3, 2, 2, 1, 1;
4, 3, 2, 2, 1, 1;
4, 3, 3, 2, 2, 1, 1;
5, 4, 3, 3, 2, 2, 1, 1;
...
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CROSSREFS
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Cf. A135839, A004652, A135841.
Adjacent sequences: A135837 A135838 A135839 this_sequence A135841 A135842 A135843
Sequence in context: A116679 A135539 A129264 this_sequence A131332 A059780 A075119
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 01 2007
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